Amazon web services AWS SAM-资源之间的循环依赖关系错误
我随后设置了一个AWS Lambda函数,该函数在上传到S3时被调用,并填充DynamoDB 我正试图实现同样的目标,为此我需要定义一个带有配置信息的Amazon web services AWS SAM-资源之间的循环依赖关系错误,amazon-web-services,amazon-s3,lambda,amazon-cloudformation,amazon-iam,Amazon Web Services,Amazon S3,Lambda,Amazon Cloudformation,Amazon Iam,我随后设置了一个AWS Lambda函数,该函数在上传到S3时被调用,并填充DynamoDB 我正试图实现同样的目标,为此我需要定义一个带有配置信息的template.yaml文件。在使用Cloudformation部署时,我经常遇到此错误- Failed to create the changeset: Waiter ChangeSetCreateComplete failed: Waiter encountered a terminal failure state Status: FAILE
template.yaml
文件。在使用Cloudformation部署时,我经常遇到此错误-
Failed to create the changeset: Waiter ChangeSetCreateComplete failed: Waiter encountered a terminal failure state Status: FAILED. Reason: Circular dependency between resources: [LambdaPerm]
我找不到这方面的很多信息,所以我正在努力调试。导致此错误的原因是什么?如何解决此问题?这是我的模板配置-
AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Resources:
Gradebook:
Type: AWS::Serverless::Function
Properties:
FunctionName: LambdaGradebookServerless
Handler: serverless.LambdaGradebook
Runtime: java8
CodeUri: ./target/serverless-0.0.1-SNAPSHOT.jar
Role: arn:aws:iam::xxxxxxxxxxxx:role/lambda-s3-execution-role
LambdaPerm:
Type: AWS::Lambda::Permission
Properties:
Action: lambda:InvokeFunction
FunctionName:
Ref: Gradebook
Principal: s3.amazonaws.com
SourceAccount:
Ref: AWS::xxxxxxxxxxxx
SourceArn:
Fn::Join:
- ':'
- - arn
- aws
- s3
- ''
- ''
- Ref: gradebookBucket
gradebookBucket:
Type: AWS::S3::Bucket
Properties:
Bucket: gradebook-lambda
NotificationConfiguration:
LambdaConfigurations:
- Event: s3:ObjectCreated:*
Function:
Ref: Gradebook
为了避免这种循环依赖关系,请独立创建S3 bucket和Lambda函数,然后使用更新堆栈。我得到了循环依赖关系错误,结果发现我从CloudFormation模板上的资源中引用了一个缺少的参数 顺便说一句:你可以使用!参考“AWS::AccountId”,而不是硬编码您的帐户ID。但这不是循环依赖的原因。